. >> in 2010 after the pentagon spent 4 years and 17 billion researching ied detection they announced that nothing is better than a dog. >> having a dog on point is very, very important. and they have saved many lives. >> the unbreakable bond between this marine and her dog rex. fights your worst cold symptoms, plus it relieves your runny nose. [ breathes deeply ] awesome. [ male announcer ] yes, it is. that's the cold truth! girl: don't look at me. second girl: your hair's a bit frizzy today. aw! ha ha! you should pick that up. announcer: every day, kids witness bullying. poor you. ha ha! they want to help but don't know how. teach your kids how to be more than a bystander. visit stopbullying.gov. [beep] [indistinct chatter] [kids talking at once] [speaking foreign language] [heart beating] [heartbeat continues] [faint singing] [heartbeat, music playing louder] ♪ i'm feeling better since you know me ♪ ♪ i was a lonely soul, but that's the old me... ♪ announcer: this song was created with heartbeats of children in need. find out how it can help frontline health workers bring h